| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a golf club head allowing achievement of equalization of a carry even if striking points are uneven. <P>SOLUTION: This hollow golf club head 1A is formed with a plurality of thick parts 21a-21f extended toward a back part 60 side facing to a face part 10 side from the face part 10 side of a ball striking face, in a crown part 20A of the upper face. Rigidity of the plurality of thick parts 21a-21f become larger as going to a toe part 50 side facing to a heel part 40 side from the heel part 40 side installed with a shaft. <P>COPYRIGHT: (C)2012,JPO&INPIT |
